[PATCH] [RFC] UBI: Implement Fastmap support

[Artem Bityutskiy]

On Tue, 2012-05-22 at 18:55 +0200, Richard Weinberger wrote:
> >> +    e = find_early_wl_entry(&ubi->free, max_pnum);
> >
> > This picks the eb with the lowest pnum within 'ubi->free'.
> >
> > When called with INT_MAX (for the FM_DATA), why do you need to pick
> a
> > free eb with the minimal pnum? The FM_DATA EBs may reside everywhere
> (as
> > the FM_SB holds their location).
> > So why not pick the eb with a medium EC value (as done for standard
> > get_peb calls)? That might be better wear-leveling wise.
> 
> Fair point.
> I'll fix that.
> Artem, any comments on that?

The 'find_early_wl_entry()' function is used (currently) only at early
stages. At these stages the we do not have the PEBs sorted by EC. We
have just a list. This function should not be use after the WL subsystem
is initialized.
> 
-- 
Best Regards,
Artem Bityutskiy
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part
URL: <http://lists.infradead.org/pipermail/linux-mtd/attachments/20120524/9b2ffb04/attachment.sig>